Articles by Ruth Kamnitzer

The old Figlenski Ranch in Washington state’s Tunk Valley is a rugged land of canyons and scrubby sage-brush steppe. This valley with the ranch at its center connects the Cascade…

In January 2003, when Wildlife Conservation Society researchers working in Tanzania’s Southern Highlands heard from local hunters that there was a monkey called the kipunji living on the slopes of…

A thousand northern spotted owls (Strix occidentalis caurina) once lived among the sweeping cedars and towering Douglas firs of southwestern British Columbia’s old-growth forests. Today, only one female survives. She…

Every year, 22 million sockeye salmon begin life some 420 kilometers, or about 260 miles, inland from the Alaskan coast, in plastic bins. They’re at the Gulkana hatchery, the largest…

Coastal ecosystems are very good at pulling carbon out of the atmosphere. But, as new research in the Baltic Sea shows, we also need to look at what they’re putting…

On the evening of March 15, 2016, two large jaguars walked along a narrow lakeshore trail in Venezuela’s Llanos ecosystem, a vast mosaic of seasonally flooded lowland savannas, forests, pastures…